Do all hotels in Shenzhen need to brush elevators?

Not all hotels in Shenzhen need to brush elevators. Elevator swipe card system is an access control management measure to ensure that only guests and their visitors can use the hotel elevator. This security measure is generally used in high-end hotels or some specific hotels. Therefore, not all hotels will adopt the elevator credit card system. If you want to know whether a specific hotel needs to swipe an elevator card, please consult the hotel front desk or browse its official website.